Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including automated solution checks.
Challenges contributed by the community members sharing their knowledge and expertise.
A Deployment is using a disk-backed emptyDir volume. Convert it to a memory-backed tmpfs volume for better performance — but make sure to set a size limit to prevent the Pod from exhausting the node's RAM.
This exercise tests your ability to safely upgrade a multi-node Kubernetes cluster from version 1.30 to 1.31 following the standard upgrade procedure.
A Pod is running nginx and exposed via NodePort. Copy a local HTML file into the running Pod so NGINX serves it as the default homepage using only imperative commands.
A Service exists in a namespace. Use a temporary Pod to resolve DNS, save the output, and confirm the Pod is automatically removed after the tasks complete.